USRE45899E1 - Low temperature, extrudable, high density reactive materials - Google Patents
Low temperature, extrudable, high density reactive materials Download PDFInfo
- Publication number
- USRE45899E1 USRE45899E1 US12/507,605 US50760509A USRE45899E US RE45899 E1 USRE45899 E1 US RE45899E1 US 50760509 A US50760509 A US 50760509A US RE45899 E USRE45899 E US RE45899E
- Authority
- US
- United States
- Prior art keywords
- reactive material
- tetrafluoroethylene
- metal
- fluoropolymer
- approximately
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B1/00—Explosive charges characterised by form or shape but not dependent on shape of container
- F42B1/02—Shaped or hollow charges
- F42B1/032—Shaped or hollow charges characterised by the material of the liner
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B27/00—Compositions containing a metal, boron, silicon, selenium or tellurium or mixtures, intercompounds or hydrides thereof, and hydrocarbons or halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
- F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
- F42B12/22—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction
- F42B12/32—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction the hull or case comprising a plurality of discrete bodies, e.g. steel balls, embedded therein or disposed around the explosive charge
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
TABLE 1 |
Properties of Selected Fluoropolymers |
Tensile | (%) | Fluorine | |||
Strength | Elonga- | Melting | Content | ||
(psi) | tion at | Point | (% by | ||
Polymer | at 23° C. | 23° C. | (° C.) | Solubility | weight) |
Polytetrafluorethylene |
PTFE | 4500 | 400 | 342 | Insoluble | 76 |
(TEFLON ®) | |||||
TFM 1700 | 5800 | 650 | 342 | Insoluble | 76 |
Modified PTFE |
Fluoroelastastomers (Gums) |
Viton A | 2000 | 350 | 260 | Soluble in | 65.9 |
(Fluorel 2175) | ketones/esters | ||||
FEX 5832X | 2000 | 200 | 260 | Soluble in | 70.5 |
terpolymer | ketones/esters |
Fluorothermoplastic Terpolymer of Tetrafluoroethylene, |
Hexafluoroproplyene, and |
THV |
220 | 2900 | 600 | 120 | Soluble in | 70.5 |
ketones/ | |||||
Esters (100%) | |||||
|
3480 | 500 | 140 | Soluble in | 71-72 |
ketones/esters | |||||
(partial) | |||||
THV 415 | 4060 | 500 | 155 | Soluble in | 71-72 |
ketones/esters | |||||
(partial) | |||||
|
4060 | 500 | 165 | Soluble in | 72.4 |
ketones/esters | |||||
(partial) | |||||
HTEX 1510 | 4800 | 500 | 165 | Insoluble | 67.0 |
Fluorothermoplastic Copolymer of Tetrafluoroethylene and |
Perfluorovinylether |
PFA | 4350 | 400 | 310 | Insoluble | 76 |
Fluorothermoplastic Copolymer of Tetrafluoroethylene and |
Hexafluoropropylene |
FEP | 2900-4300 | 350 | 260 | Insoluble | 76 |
Fluorothermoplastic Copolymer of Tetrafluoroethylene and Ethylene |
ETFE | 6700 | 325 | 260 | Practically | 61.0 |
insoluble | |||||
TABLE 2 |
High Density Reactive Material Compositions |
Theoretical | ||||||||
Filler | Fluoropolymer | Maximum | ||||||
Metal | Density | Density | Wt % | Wt % | Vol % | Vol % | Density | |
Filler | Fluoropolymer | (g/cm3) | (g/cm3) | Metal | Fluoropolymer | Metal | Fluoropolymer | (g/cm3) |
| THV | 220 | 16.69 | 1.95 | 71.70 | 28.30 | 22.84 | 77.16 | 5.317 |
| THV | 220 | 16.69 | 1.95 | 47.20 | 52.80 | 9.46 | 90.54 | 3.344 |
| THV | 220 | 13.30 | 1.95 | 67.00 | 33.00 | 22.94 | 77.06 | 4.554 |
| THV | 220 | 13.30 | 1.95 | 52.50 | 47.50 | 13.95 | 86.05 | 3.533 |
TABLE 3 |
Safety Data For Ta/ |
Solvent Loss Technique To The Polymer Precipitation Technique |
Thiokol | ABL Sliding | Thiokol | Simulated Bulk | |||
Impact | Friction | ESD | Auto Ignition | DSC Onset | Thiokol | |
Composition | (cm) | (lbs@8 ft/s) | (Joules) | Onset Temp (° F.) | Temp (° C.) | Safety Class |
30.0 |
>46 | 800 | >8.0 | |
435.2 | Green Line- |
70.0% Tantalum | Burned | Safe to | ||||
Solvent Loss | Process | |||||
30.0 |
>46 | 800 | >8.0 | |
360.7 | Green Line- |
70.0% Tantalum | Burned | Safe to | ||||
Polymer Precip. | Process |
30.0 |
ARC Step Heated to 350° C., Ignited |
70.0% Tantalum | |
Solvent Loss | |
30.0 |
ARC: 5 gram sample isothermally aged at 250° C., ignited after 6 hours |
70.0% Tantalum | |
Polymer Precip. | |
-
- 1. Step heat run, 50-580° C., 5° C. steps, 70% Ta/30
% THV 220 Mix #4 (#909), 0.33 grams; - 2. 250° C./24 hour isothermal age run, “isotracked” mode, Ta/
THV 220 1791-64-1, 5.11 grams; - 3. 200° C./24 hour isothermal age run, “isofixed” mode, 70% Ta/30
% THV 220 Solvent Loss 1665-74-1, 1.52 grams; and - 4. 200° C./24 hour isothermal age run, “isofixed” mode, 70% Ta/30
% THV 220 Solvent Loss 1665-74-1, 5.27 grams.
- 1. Step heat run, 50-580° C., 5° C. steps, 70% Ta/30
-
- 1. step heat run, 50-580° C., 5° C. steps, 70% Hf/30
% THV 220 1791-66-1 #1065, 0.31 gram sample; and - 2. 200° C./24 hour isothermal age run, 70% HUf/30
% THV 220 1791-66-1 #1065, 5.16 gram sample.
- 1. step heat run, 50-580° C., 5° C. steps, 70% Hf/30
TABLE 4 |
Ta/ |
Testing Date | Sample Position | Density (g/cc) | % of TMD |
Jan. 21, 2002 | Middle of Rod | 5.256 | 98.86 |
Feb. 4, 2002 | End of Delivered Rod | 5.281 | 99.32 |
Feb. 4, 2002 | Middle of Rod | 5.254 | 98.81 |
Feb. 4, 2002 | Middle of Rod | 5.281 | 99.32 |
Feb. 4, 2002 | End of Delivered Rod | 5.275 | 99.21 |
Average | 5.269 | 99.106 | |
TABLE 5 |
Hf/ |
Testing Date | Sample Position | Density (g/cc) | % of TMD |
Feb. 4, 2002 | End of Delivered Rod | 4.427 | 97.21 |
Feb. 4, 2002 | End of Delivered Rod | 4.440 | 97.49 |
Feb. 4, 2002 | End of Delivered Rod | 4.450 | 97.71 |
Feb. 4, 2002 | End of Delivered Rod | 4.444 | 97.58 |
Average | 4.440 | 97.50 | |
Claims (24)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/507,605 USRE45899E1 (en) | 2000-02-23 | 2009-07-22 | Low temperature, extrudable, high density reactive materials |
US13/372,804 US9103641B2 (en) | 2000-02-23 | 2012-02-14 | Reactive material enhanced projectiles and related methods |
US14/062,635 US20150203415A1 (en) | 2000-02-23 | 2013-10-24 | Reactive material compositions and projectiles including the same |
US14/750,523 US9982981B2 (en) | 2000-02-23 | 2015-06-25 | Articles of ordnance including reactive material enhanced projectiles, and related methods |
Applications Claiming Priority (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18431600P | 2000-02-23 | 2000-02-23 | |
US09/789,479 US6593410B2 (en) | 2000-02-23 | 2001-02-21 | High strength reactive materials |
US36828402P | 2002-03-28 | 2002-03-28 | |
US10/386,617 US6962634B2 (en) | 2002-03-28 | 2003-03-12 | Low temperature, extrudable, high density reactive materials |
US55343004P | 2004-03-15 | 2004-03-15 | |
US80194604A | 2004-03-15 | 2004-03-15 | |
US10/801,948 US20050199323A1 (en) | 2004-03-15 | 2004-03-15 | Reactive material enhanced munition compositions and projectiles containing same |
US72346505P | 2005-10-04 | 2005-10-04 | |
US11/538,763 US8122833B2 (en) | 2005-10-04 | 2006-10-04 | Reactive material enhanced projectiles and related methods |
US11/620,205 US8075715B2 (en) | 2004-03-15 | 2007-01-05 | Reactive compositions including metal |
US11/690,016 US7977420B2 (en) | 2000-02-23 | 2007-03-22 | Reactive material compositions, shot shells including reactive materials, and a method of producing same |
US69700507A | 2007-04-05 | 2007-04-05 | |
US12/127,627 US8568541B2 (en) | 2004-03-15 | 2008-05-27 | Reactive material compositions and projectiles containing same |
US12/507,605 USRE45899E1 (en) | 2000-02-23 | 2009-07-22 | Low temperature, extrudable, high density reactive materials |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/386,617 Reissue US6962634B2 (en) | 2000-02-23 | 2003-03-12 | Low temperature, extrudable, high density reactive materials |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE45899E1 true USRE45899E1 (en) | 2016-02-23 |
Family
ID=55314854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/507,605 Expired - Lifetime USRE45899E1 (en) | 2000-02-23 | 2009-07-22 | Low temperature, extrudable, high density reactive materials |
Country Status (1)
Country | Link |
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US (1) | USRE45899E1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202000021898A1 (en) * | 2020-09-17 | 2022-03-17 | Mbda italia spa | METHOD FOR PRODUCING A COMPOSITE REACTIVE MATERIAL |
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